Profiling attachment for machine tools



Feb. 2-4, 1925.

1,527,379 'J. M. RIORDAN ET AL PROFILING ATTACHMENT FOR MACHINE TOOLSFiled April 3, 1922 2 Sheets-Sheet l 12 73 H l 7/. I

' I LIYzUeIYZ OH- M. h m

. (ii/47' W5 Feb. 24. 1925.

'J. M. RIORDAN ET AL PROFILING ATTACHMENT FOR EACHINE TOOLS Filed April3, 1922 2 Sheets-Sheet 2 a u k ll nu,

Patented Feb. 24, 1925.

JOHN M. Brennan, or EAST OHIO, ASSIGNORS TO THE OHIO, A

To aZZ whom CORPORATION OF CLEVELAND, AND DISRAELI ALs'roN, CLEVELANDHARDWARE COMPANY, OHIO.

0F LAKEWOOD, OF CLEVELAND.

PROFILING ATTACHMENT FUR MACHINE TOOLS.

Application filed April 3,

it may concern e it known that we, JOHN M. RIORDAN and DISRAELI States,and r 5 Cleveland, in

State of Ohio,

of Cuyahoga Answer, citizens of t the county and useful and exactdescription.

This inven tach'ment for machine t shapers, and

No. 545,637, Riordan bein invention.

In the 00-1) various types of machi shapers, planers and the l hodimentill the attachment. is applied to a s The attach erably forms theprofiling attachment subject matter of a co-pendin tiled in the name ofJohn B tion relates covers certain modifi heUnited esidents,respectively, of East of Cuyahoga and and Lakewood, in the county andState of Ohio, vented a certain new ment in Profiling have in- Improve-Attachments for Machine Tools, of which the following is a full, clear,

to a profiling atools, particularly cations of constituting the orapplication I. Ri hrdan, Serial filed March 22, 1922, said gone of theco-inventors of this ending application referred to, there is discloseda profiling attachment for ustrated in said ment includes a tem d fromsheet metal no tools such as lke, and m the emapplication,

haper.

plet pretwhose top edge corresponds to the cross-sectional outat alltimes work holder? in said appli slid laterally in fixed pos travel ofthe ing the normal operation and there is holder and the templet or toing part, so

moved.

Additionally,

tracer which tot line of the "piece-to be shaped.

Tl bears a fixed relati and in the embed cation it is supporte along abar which is ition parallel to t work holder of the a connection betweenthat the templet wil work is supported in a t rier which at all timeshas a fixe he position of the tool 1 its locationwith reference to thconcerned.

The tracer edge of the tracer moves is adjusted t attached to is adaptedto travel templet and the carri up and down as the t hrongh the mediumthe tool holder an he as it is ted durie tcmplet on to the iment shown don, and supported oath of machine,

the work templets hold- 1 move in holder is the attachment includes aracer card relation iolder in so far as e work is along the er. for theool holder of a bar d sliding 1922. Serial No. 549,258.

through an opening in the tracer carrying member and constitutin asupport for it, this tracer carrying mem er being supported and guidedfor vertical movement only as the supporting bar movesvertically whenthe tool holder is adjusted.

Additionally, the attachment in the embodiment shown, carries anindicator which is adapted to move between a tacts as th contour of thetem plet. The

tion or movement of the tracer with referking it necessary that theoperator keep observing the tool and work piece.

The invention may be briefly summarized as consisting in certain noveldetails of construction and combinations and arrangements of parts whichwill be described in the specification and set forth in the ap pendedclaims.

In the accompanying sheets of drawings showing the preferred embodimentof the invention, Fig. 1 is a view of the front part or the shaperequipped with the attachment; Fig. 2 is a top plan view 1s. a viewlooking towards side to that shown in Fig. 1; View of the same; and Fig.sectional view of the tracer her, also of the reciprocating the oppositeFig. 4 is a front 5 is a detailed carrying membar which supparts sup 5er is raised and lowered by 1 of the same Fig.

ports it and showing the tracer and indi-.

cator or auge.

' Referring now to the drawings, the shaper here shown has a bed 10, atthe front of which is a saddle 11 which travels along the saddleways 12,the saddle being adapted to be actuated automatically or by the handwheel 11 in the customary manner. The saddle has a part which carriesthe work and may be provided with any suitable work holder here shown inthe form of a so-called vise 13, which in'Fig. 1 is shown as gripping awork piece 14, such for example, as a b ock of steel from which aforging die is to be formed.

At the top of the bed 10 is a reciprocating ram 15 provided at the frontwith a vertically movable tool holder 16 here shown as provided with acutting tool 17. The tool holder is designed to be raised and lowered bythe usual hand operated adjusting screw 18 provided at the top with ahandle 18. The shaper so far described is of the usual form and per seforms no part of the present invention.

In accordance with the present invention, the templet which is shown at19 is supported at the front of the machine. This templet which is inthe form of a comparatively thin plate of metal is secured in a templetcarrier 20 supported in horizontal position directly in front of themachine by an arm 21 which extends down to and is secured to the saddle11.

Extending forwardly and upwardly from the front part of the bed 10 is afixed or stationary arm 22 which is provided at its front end with aguide 22 guided for vertical movement directly above the templet, atracer holding block 23, the face of the guide having a dovetail slotand ways which are engaged by a correspondingly shaped face of the block23.

This tracer carrying block 23 is the partwhose position at all timesbears a fixed relation to the position of the'tool holder in so far asits adjustment toward and from the work is concerned, and in order thatit may have this relation, the block is supported by a bar 24 which issecured to and projects forwardly from the tool holder as clearly shownin the drawings. This bar though it supports the block 23, slidesrelatively to it as the ram and tool holder are reciprocated, and thisis brought about by providing on the block 23 a supporting projection 25which fits over the top of the bar 24-. as clearly shown in Figs. 3, tand 5. The supporting projection 25 may be positioned at various heightson the block, the latter being provided with a series of openings 25through which the securing bolt may be passed.

Thus it will be seen that as the ram and tool holder are reciprocatedand as the tool on which is holder is raised and lowered, the tracerblock 23 will artake only of the vertical movements of t e tool holder.

The details of the tracer and of its mountmg in the block 23 areprecisely like those describedin the co-pending application referred toand will be referred to only briefly herein.

Secured in a socket or recess on the under side of the block 23 is atracer body casing 26, and supported b a flanged collar at the bottom ofthe tracer ody casing is atracer 27 which is adapted to travel over thetop edge of a templet as the templet is moved laterally with the saddle11. The tracer 27 consists of the tracer proper 27 which is adjustablysecured and locked in a small body which carries it, but the twotogether may be here regarded for convenience as the tracer. As in theco-pending case, the tracer may be elevated slightly, and it may rockrelative to the casing 26 if there is side pressure on the oint of thetracer. At the upper part of t e tracer there is mounted an L-shapedinsert'28, and bearing down on top of this insert with predeterminedpres sure is a coil spring 29 carried in a socket at the top of thetracer casing 26. The under side of the top part of the insert 28 isbeveled, and this is engaged by the top of the tracer. This L-shapedinsert 28 likewise extends downward beneath the top of the tracer, andin this part there is a notch which receives the inner relatively shortend of a pivoted rocking finger 30 extending through an opening in thetracer block 22) as shown in Fig. 5.

In accordance with the present invention there is employed in connectionwith this finger, an indicator in the form of a gauge 31. This gaugewhich may be of standard construction, has a dial, and an indicatingpointer or needle which sweeps around it, and the movement of the fingerresulting from the movement of the tracer is transmitted to the pointerthrough the medium of a vertically movable stem 31 which extends downfrom the bottom of the indicator and engages the outer end of the finger30.

It will be apparent from the above description that when the machine isin operation the work and work holder will travel along with the saddleacross the front of the machine, and the templet has this same movement.Likewise it will be apparent that the tracer has a movement only in theplane of the templet, this movement being a slight vertical movement ora slight rocklng movementof the tracer in the casing which immediatelyreceives it. or the movement due to vertical movement of the block 23,and as the ram is reciprocated the tracer supporting block 23 willremain stationary notwithstanding the fact that it and the tracer is soset that when the tool the work holder to be fed 1,527,870 Y a is' suprted on the recilprocating bar 24, her so as to res nd to the varyingconbut w1l respond to and ave precisely the tour of the temp et, arractuating ever consame movements which are imparted to the nected to thetracer and an indicator operwork holder by turning the adjusting ativelconnected to the lever. I screw 18. Y 3. Iii combination with a machinetool Therefore, invo eration the oint of the having a work holder,areciprocating tool tracer rests upont e top edgeo the templet holderadapted to be fed u and down and ihterally,'a temholder is at the rightheight the tracer (plot supported at the front of the work 1101- shouldoccupy substantially a mid osition er an avinga movement correspondingto 7 between the extremes of its limits movethe feed thereof, the tracerhaving a tracer ment in the tracer casing 26,-and the needle carryingmember ided for vertical move of the indicator should stand at what mayment, and the tool l iol'der having a reciprobe termed the zeroposition. When occupyeating bar projecting forwardly and sliding thisosition, as when a horizontal pormgly engaging the tracer carryingmember. tion of the templet is traveling underneath 4. In combinationwith a machine tool the point of the traoer, the operator need having awork holder adapted to be given give no adjustment to the tool holder,but a lateral feed, a reci 'rocating ram having a when the contour ofthe templet changes tool holder, the tooi holder being adapted by risingor falling, the position of the to e given a vertical feed, a templetsuptracer Will change, either rise or fall, and lported at the front ofthe work holder and this very slight movement is shown on the avin amovement corresponding to the indicator by a shift in the position ofthe. feed thereof, a reciprocating bar rigidly at;- needle, the gauge orindicator greatly magtached to and projecting forwardly from nifying themovement. The operator who the work holder, a tracer, a tracer carryingwill generally keep his'hand on the feed member having a part restingupon said handle 18 for the work holder Will then bar and with referenceto which said bar turn the same to raise or lower the work slides, and astationary guide for permitholder as is required by the position of tingthe tracer carrying member to have athe indica ion Th s 1 i only ne esary vertical movement corresponding to the 'verfor him to watch theindicator and to turn ti al movement of aid b d f th t l the feed handlefor the work holder so'as h ld to raise or lower 1t as the case may be,and 5. A machine tool having a bed, a work it will be unnecessary forhlm to attempt holder adaptedto be given a lateral feed, to adjust ordetermine what ad ustment e i ti mm carrying a t l h ld Jun should begiven to the tool holder by watchadapted t b given a f d t i ht anglesing the tool and work. In th s manne th to the feed of the work holder,a templet operator can machine the 16 6 very supported so as to have amovement correcurately by observing the m l a l and sponding to the feedof the work holder, a justing the work holder as r qu dstationary guidesupported on the bed Having described our invention,'we claim: andhaving a guide surface parallel to 1. In combination with a metalworking the ,feed of the tool holder, a tracer carrymachine havingrelatively movable work ing member guided by said guide, a recipand toolholders wherein one has a definite rocating bar. attached to the toolholder and path of travel relative to the other and projecting forwardltherefrom so as to rewherein there are two feeds, a profilingatciprocate with and ave a feed correspondtachment comprising a tracerand a templet, ing to the feed of the tool holder, said bar thetraceradapted to travel along the edge supporting and having slidingengagement -.of the templet, amember carrying the tracer, with thetracer carrying member and a the templet and tracer carrying memberhavtracer supported at the bottom of said tracer us ing movementscorresponding to the two carrying member and normally resting on feeds,and a direct reading indicator operthe edge of said templet. ativelyconnected to the tracer. 6. In combination with a machine tool 2. Incombination with a metal workin having a work holder and a' tool holder,one machine havin relatively movable work and reciprocating relative tothe other and both tool holders w erein one has a definite path havlngfeeds one in a direction at right anof travel relative to the other, andwherein gles to the other, a profiling attachment comthere are twofeeds, a=profilin attachment prising a tracer and a templet, the tracercomprising a tracer and a temp et, the tracer adapted to travel alongthe edge of the temadapted to travel along the edge of the plet, amember carrying the tracer the templet, a member carrying the tracer,the templet and tracer carrying member ing templet and tracer carryingmember havsupported one by the work holder and'the ing relativemovements corresponding to the other by the tool holder and each havmg atwo feeds, the tracer being capable of a movement corresponding to thefeed of the slight movement in the tracer carrying memmember supportingit, the tracer being capa- 13o rying member so as to res ble of a slightmovement in the tracer carond to the varying contour of the temp et, anda direct reading indicator operatively connected to the tracer.

7. In combination with a shaper having a work holder and a reciprocatingram having a tool holder, the tool holder adapted to be fed up and downand the work holder laterally, atemplet supported by the work holder andhaving a movement corresponding to the feed thereof, the tracer having atracer carrying member supported by. the tool holder, means forsupporting the tracer carrying member so that it will partake only ofthe feed of the tool holder, the tracer being capable of a slightmovement in the tracer carrying member so as to respond to the varyingcontour of the templet, and an indicator operatively connected to thetracer.

8. In combination with a machine tool having acwork holder, areciprocating tool holder adapted to be fed up and down and the workholder to be. fed laterally, a templet supported at the front of thework holder and having a movement corresponding to the feed thereof, thetracer having a tracer carrying member guided for vertical movement, andthe tool holder having a reciprocating bar projecting forwardly andslidingly engaging the tracer carryin 7 member, the tracer being capableof a sight movement in the tracer carrying member so as to respond tothe varying contour of the templet, and an indicator operativelyconnected to the tracer.

9. In combination with a machine tool having a work holder adapted to begiven a lateral feed, a reciprocating) ram having a tool holder, thetool holder eing adapted to be given a vertical feed, a templetsupported at the front of the work holder and -member having a part'cate with and have a feed corres havin a movement corresponding to thefeed t ereof, a reciprocating bar rigidly attached to and projectingforwardly from the work holder, a tracer, a tracer carrying resting uponsaid bar and with reference slides, anda stationary guide for permittingthe tracer carrying member to have a vertito which said bar cal movementcorresponding to the vertiv cal movement of saidbar and of the toolholder, the tracer being capable of a slight movement in the tracercarrying member so as to respond to'the varying contour of the templet,and an indicator operatively connected to the tracer.

10. A machine tool having a bed, a work holderadapted to be given-alateral feed, a reciprocating ram carrying a tool holder adapted to begiven a feed at right angles to the feed of the work holder, a templetsup ported so as to have a movement corresponding to the feed of thework holder, a stationary guide supported on the bed and having a uidesurface parallel to the feed of the tots holder, a tracer carrying mem-.ber guided by said uide, a reciprocating bar attached to the tool holderso as to reciproonding to the feed of the tool holder, sai barsupporting and having sliding engagement with the tracer carryingmember, a tracer supported at the bottom of said tracer carrying memberand normally resting on the edge of said templet, the tracer beingcapable of a slight movement in the tracer carrying member so as torespond to the varying contour of the templet, and a direct readingindicator operatively connected to the tracer.

In testimony whereof, we hereunto affix our signatures.

JOHN M. RIORDAN. DISRAELI ALSTON.

